Dry fry peppercorns in a hot frying pan
for 2 minutes, shaking the pan constantly. Place the peppercorns in a
mortar and pestle. Pound until roughly ground.
Cut the pork into thin pieces. Place the
pork, pepper, nuoc cham sauce, garlic, salt, spring onion and half the
oil in a bowl. Mix well to combine and refrigerate, covered for 20
minutes.
Heat a wok to extremely hot and stir-fry
the pork for about 1 1/2 minutes until browned.
Heat the remaining oil in the wok. Add the
shallots, corn and beans. Stir-fry over medium heat for 1 minute.
Sprinkle with water and sugar. Cover and steam for 1 minute.